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From: "hubicka at ucw dot cz" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug middle-end/50195] [4.7 Regression] Linking time error with -fast-math -O0
Date: Mon, 10 Oct 2011 16:26:00 -0000	[thread overview]
Message-ID: <bug-50195-4-h3lZx2ys6q@http.gcc.gnu.org/bugzilla/> (raw)
In-Reply-To: <bug-50195-4@http.gcc.gnu.org/bugzilla/>

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=50195

--- Comment #6 from Jan Hubicka <hubicka at ucw dot cz> 2011-10-10 16:25:15 UTC ---
> The folding is guarded with optimize_function_for_speed_p (), but that always
> returns true for -O0 ...
> 
> Honza, should the _for_speed_p () functions in predict.c be optimize && ...
> instead?

This is how we always behaved (i.e. when not optimizing we had optimize_size
false).
Switching the default may make sense, we might also hit some -Os bugs since -O0
gets more testing.

Honza


      parent reply	other threads:[~2011-10-10 16:26 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2011-08-26 13:22 [Bug c/50195] New: Linking time eroor " vbyakovl23 at gmail dot com
2011-08-26 13:26 ` [Bug middle-end/50195] [4.7 Regression] Linking time error " rguenth at gcc dot gnu.org
2011-10-10 12:24 ` rguenth at gcc dot gnu.org
2011-10-10 13:04 ` rguenth at gcc dot gnu.org
2011-10-10 14:27 ` rguenth at gcc dot gnu.org
2011-10-10 15:48 ` rguenth at gcc dot gnu.org
2011-10-10 16:26 ` hubicka at ucw dot cz [this message]

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